Analysis of pressure-drop function in rankine space power boilers with discussion of flow maldistribution implications
Andrew A. Schoenberg, Donald R. Packe, United States. National Aeronautics and Space Administration, Lewis Research Center
National Aeronautics and Space Administration, 1968 - Technology & Engineering - 62 pages
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COMPARISON OF THEORY WITH WATERBOILER DATA
1 other sections not shown
analysis average heat-transfer coefficient boiler based boiler exit boiler tube boiling length boiling region boiling tube boundary condition choked nozzle COMPUTE CONTINUE counterflow boiler DTSH EBOIL effect ELPH ELSH EXIT QUALITY flow in plug flow maldistribution flow rates fraction of design gradients for vapor heat flux heat transfer heating fluid heating-fluid flow heating-fluid inlet temperature hydraulic diameter increase inlet temperature design input variables ITERATION KCMAX KSPR lb/hr kg/hr MERCURY BOILER multivalued function negative slope negative-slope region OUAL overall average heat-transfer PLNTU plug insert plug length plug region pounds per hour preheat length preheat region pressure drop pressure gradient pressure-drop characteristic pressure-drop function PSAT psia Rankine space power rated flow Ratio of pressure region at design saturation pressure superheat length superheat region superheated swirl-wire region temperature design value Tsat tube bundle tube length vapor at rated variation water boiler WHDG working-fluid flow working-fluid inlet temperature Working-fluid saturation temperature